27768246007 has 2 divisors, whose sum is σ = 27768246008. Its totient is φ = 27768246006.

The previous prime is 27768245993. The next prime is 27768246031. The reversal of 27768246007 is 70064286772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27768246007 - 2¹¹ = 27768243959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27768246067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13884123003 + 13884123004.

It is an arithmetic number, because the mean of its divisors is an integer number (13884123004).

Almost surely, 2^27768246007 is an apocalyptic number.

27768246007 is a deficient number, since it is larger than the sum of its proper divisors (1).

27768246007 is an equidigital number, since it uses as much as digits as its factorization.

27768246007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 49.

The spelling of 27768246007 in words is "twenty-seven billion, seven hundred sixty-eight million, two hundred forty-six thousand, seven".